<template>
  <view>
      <!-- 用户信息 开始-->
      <view class="user_info">
          <view class="user_icon">
              <image :src="imgDetail.user.avatar" mode="widthFix"></image>
          </view>
          <view class="user_desc">
              <view class="user_name">{{imgDetail.user.name}}</view>
              <view class="user_time">{{imgDetail.cnTime}}</view>
          </view>
      </view>
      <!-- 用户信息 结束-->

      <!-- 高清大图 开始 -->
      <view class="high_img">
          <swiper-action @swiperAction="handleSwiperAction">
            <image :src="imgDetail.thumb" mode="widthFix"></image>
          </swiper-action>
      </view>
      <!-- 高清大图 结束 -->

      <!-- 点赞 开始 -->
      <view class="user_rank">
          <view class="rank">
              <text class="iconfont icondianzan">{{imgDetail.rank}}</text>
          </view>
          <view class="user_collect">
              <text class="iconfont iconshoucang">收藏</text>
          </view>
      </view>
      <!-- 点赞 结束 -->

      <!-- 专辑 开始 -->
      <view class="album_wrap" v-if="album.length">
          <!-- 标题 -->
          <view class="album_title">相关</view>
          <!-- 内容 -->
          <view class="album_list">
              <view class="album_item" v-for="item in album" :key="item.id">
                  <view class="album_cover">
                      <image :src="item.cover" mode="aspectFill"></image>
                  </view>
                  <view class="album_info">
                      <view class="album_info_text">专辑</view>
                      <view class="album_name">{{item.name}}</view>
                      <text class="iconfont iconiconfontjiantou4"></text>
                  </view>
              </view>
          </view>
      </view>
      <!-- 专辑 结束 -->

      <!-- 最热评论 comment hot -->
      <view class="comment hot" v-if="hot.length" >
          <view class="comment_title">
              <text class="iconfont iconhot1"></text>
              <text class="comment_text">最热评论</text>
          </view>
          <view class="comment_list">
              <view class="comment_item" v-for="item in hot" :key="item.id">
                  <!-- 用户信息 -->
                  <view class="comment_user">
                      <view class="user_icon">
                          <image :src="item.user.avator" mode="widthFix"></image>
                      </view>
                      <view class="user_name">
                          <view class="user_nickname">{{item.user.name}}</view>
                          <view class="user_time">{{item.cnTime}}</view>
                      </view>
                      <view class="user_badge">
                          <image v-for="item2 in item.user.title" :key="item2.icon" :src="item2.icon"></image>
                      </view>
                  </view>
                  <!-- 评论数据 -->
                  <view class="comment_desc">
                      <view class="comment_ content">{{item.content}}</view>
                      <view class="comment_like">
                          <text class="iconfont icondianzan">{{item.size}}</text>
                      </view>
                  </view>
              </view>
          </view> 
      </view>

       <!-- 最新评论 comment new -->
      <view class="comment new" v-if="comment.length">
          <view class="comment_title">
              <text class="iconfont iconpinglun"></text>
              <text class="comment_text">最新评论</text>
          </view>
          <view class="comment_list">
              <view class="comment_item" v-for="item in comment" :key="item.id">
                  <!-- 用户信息 -->
                  <view class="comment_user">
                      <view class="user_icon">
                          <image :src="item.user.avatar" mode="widthFix"></image>
                      </view>
                      <view class="user_name">
                          <view class="user_nickname">{{item.user.name}}</view>
                          <view class="user_time">{{item.cnTime}}</view>
                      </view>
                      <view class="user_badge">
                          <image v-for="item2 in item.user.title" :key="item2.icon" :src="item2.icon"></image>
                      </view>
                  </view>
                  <!-- 评论数据 -->
                  <view class="comment_desc">
                      <view class="comment_ content">{{item.content}}</view>
                      <view class="comment_like">
                          <text class="iconfont icondianzan">{{item.size}}</text>
                      </view>
                  </view>
              </view>
          </view> 
      </view>

      <!-- 下载开始 -->
      <view class="download">
          <view class="download_btn" @click="handleDownload">下载图片</view>
      </view>
      <!-- 下载结束 -->
  </view>
</template>

<script>
import swiperAction from "@/components/swiperAction"
import moment from "moment";
// 设置语言为中文
moment.locale("zh-cn");
export default {
    components:{
        swiperAction
    },
    data(){
        return{
            //图片信息对象
            imgDetail:{},
            //  专辑数据  数组
            album:[],
            //  最热评论
            hot:[],
            //  最新评论
            comment:[],
            //  图片索引
            imgIndex:0
        };
    },

    onLoad(){
        const {imgIndex} = getApp().globalData;
        this.imgIndex = imgIndex;
        this.getData();
        
    },

    methods:{
        //给当前页面赋值
        getData(){
            const { imgList } = getApp().globalData;
            this.imgDetail = imgList[this.imgIndex];

            // xxx年前的数据
            this.imgDetail.cnTime = moment(this.imgDetail.atime*1000).fromNow();

            // 获取图片详情的id
            this.getComments(this.imgDetail.id);
            console.log(this.imgDetail);
        },

        getComments(id){
            this.request({
                url:`http://157.122.54.189:9088/image/v2/wallpaper/wallpaper/${id}/comment`
            })
            .then(result => {
                console.log(result);
                this.album = result.res.album;

                // 给hot数组中的对象添加时间属性
                result.res.hot.forEach(v=>v.cnTime = moment(v.atime*1000).fromNow());
                result.res.comment.forEach(v=>v.cnTime = moment(v.atime*1000).fromNow());
                this.hot = result.res.hot;
                this.comment = result.res.comment;
            })
        },

        //滑动事件
        handleSwiperAction(e){
            console.log(e);
            const { imgList } = getApp().globalData;
            if(e.direction === "left" && this.imgIndex < imgList.length - 1 ){
                this.imgIndex++;
                this.getData();
            }else if(e.direction === "right" && this.imgIndex > 0){
                this.imgIndex--;
                this.getData();
            }else{
                uni.showToast({
                    title:"没有数据了",
                    icon:"none"
                });
            }
        },

        //下载事件
        async handleDownload(){
            await uni.showLoading({
                title:"下载中"
            })

            //  1.将远程文件下载到小程序内存中
             const result =  await uni.downloadFile({ url: this.imgDetail.img });
             const {tempFilePath} = result[1];

            //  2.将小程序内存中的临时文件下载到本地上
            const result2 = await uni.saveImageToPhotosAlbum({ filePath:tempFilePath });

            //  3.提示用户下载成功
            uni.hideLoading();
            // uni.showToast({
            //     title:"下载成功!"
            // })
        },
    },
}
</script>

<style lang="scss" scoped>
.user_info {
    display: flex;
    padding: 20rpx;
  .user_icon {
      padding: 0 20rpx;
    image {
        width: 88rpx;
        border-radius: 50%;
    }
  }

  .user_desc {
    .user_name {
        color: #000;
        font-weight: 600;

    }

    .user_time {
        padding: 10rpx 0;
        color: #ccc;
        font-size: 24rpx
    }
  }
}

.user_rank {
    display: flex;
    height: 80rpx;
    border-bottom: 5rpx solid #eee;
  .rank {
      display: flex;
      justify-content: center;
      align-items: center;
      flex: 1;
    .iconfont {

    }
  }

  .user_collect {
      display: flex;
      justify-content: center;
      align-items: center;
      flex: 1;
    .iconfont {

    }
  }
}

.high_img{
    image{
        border-bottom: 1px solid #eee;
    }
}

//  专辑
.album_wrap {
    padding: 20rpx;
  .album_title {
      padding: 10rpx 0;
  }

  .album_list {
    .album_item {
        display: flex;
        padding: 10rpx 0;
        border-bottom: 10rpx solid #eee;
      .album_cover {
          flex: 1;
        image {
            width: 180rpx;
            height: 180rpx;
        }
      }

      .album_info {
          flex: 3;
          padding-left: 20rpx;
          position: relative;
        .album_info_text {
            width: 100rpx;
            height: 50rpx;
            background-color: $color;
            color: #fff;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .iconfont{
            font-size: 40rpx;
            position: absolute;
            top:50%;
            transform: translateY(-50%);
            right: 10%;
            color: #000;
        }

        .album_name {
            padding: 10rpx 0;
            color: #888;
        }
      }
    }
  }
}

//  评论
.comment {
  .comment_title {
      padding: 15rpx;
    .iconfont {
        color: red;
        font-size: 40rpx;

    }

    .comment_text {
        font-weight: 600;
        font-size: 28rpx;
        color: #666;
        margin-left: 10rpx;
    }
  }

    .comment_list {
        .comment_item {
            border-bottom: 15rpx solid #eee;
            //用户信息
            .comment_user {
                display: flex;
                padding: 20rpx 0;
                .user_icon {
                    width: 15%;
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    image {
                        width: 90%;
                    }
                }

                .user_name {
                    flex:1;
                    .user_nickname {
                        color: #777;
                    }

                    .user_time {
                        color: #ccc;
                        font-size: 24rpx;
                        padding: 5rpx 0;
                    }
                }

                .user_badge {
                    image {
                        width: 40rpx;
                        height: 40rpx;
                        display: inline-block;
                    }
                }
            }
            //评论数据
            .comment_desc {
                display: flex;
                padding: 30rpx 0;   
                .comment_.content {
                    flex: 1;
                    padding-left: 15%;
                    color: #000;
                }

                .comment_like {
                    text-align: right;
                    .icondianzan {

                    }
                }
            }
        }
    }
}

//最新评论
.new{
    .iconpinglun{
        color: aqua !important;
    }
}

// 下载
.download{
    height: 120rpx;
    display: flex;
    align-items: center;
    justify-content: center;
    .download_btn{
        width: 90%;
        height: 80%;
        background-color: $color;
        color: #fff;
        font-size: 50rpx;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center; 
    }
}
</style>